Hosur vs Thanjavur
Side-by-side air quality comparison between Hosur and Thanjavur.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hosur | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 4.50 | 12.00 |
| PM10(µg/m³) | 5.00 | 13.70 |
| NO₂(µg/m³) | 7.50 | 9.70 |
| SO₂(µg/m³) | 4.10 | 3.90 |
| O₃(µg/m³) | 38.00 | 38.00 |
| CO(µg/m³) | 140.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Thanjavur averaged 42 — a 48-point (114%) gap, with Hosur the more polluted and Thanjavur the cleaner of the two.
Seasonality & days
Hosur peaks in December, while Thanjavur peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Thanjavur's 20.